Quick answers
- Which hospitals does Gregory M. Heideman work at?
- Medicare's official clinician data lists Gregory M. Heideman at 5 hospitals: Aurora Medical Center, Aurora Medical Center Kenosha, Aurora Medical Center Sheboygan County, Aurora St Lukes Medical Center and West Allis Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory M. Heideman see patients?
- Medicare's clinician data lists 20 practice locations, including Milwaukee, WI, Hartford, WI and Kenosha, WI. Call before your visit to confirm the address.
- What is Gregory M. Heideman's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Gregory M. Heideman accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory M. Heideman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory M. Heideman?
- (414) 219-3056, as listed in official Medicare / NPI Registry data.
- What is Gregory M. Heideman's NPI number?
- 1295820546. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory M. Heideman works
Medicare's Facility Affiliation Data lists Gregory M. Heideman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · CCN 520207
- Aurora Medical Center KenoshaKenosha, WI · Acute Care Hospital · CCN 520189
- Aurora Medical Center Sheboygan CountySheboygan, WI · Acute Care Hospital · CCN 520035
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · CCN 520138
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · CCN 520139
Practice locations
Addresses where Gregory M. Heideman is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 20; the Medicare profile lists all.
- 1020 N 12th StMilwaukee, WI 53233 (414) 219‑3056
- 1032 E Sumner StHartford, WI 53027 (262) 673‑2300
- 10400 75th StKenosha, WI 53142 (262) 948‑7000
- 12203 N Corporate PkwyMequon, WI 53092
- 13250 Washington AveMount Pleasant, WI 53177 (262) 884‑4000
Group practices
Medicare enrollment lists Gregory M. Heideman as a member of these groups (CMS data updated 2026-10-02).
- Aurora Medical Group, Inc.3,813 clinicians in the group
- Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1295820546 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians